Matriptase-2 and Hemojuvelin in Hepcidin Regulation: In Vivo Immunoblot Studies in Mask Mice
Abstract
:1. Introduction
2. Results
2.1. Absence of the Protease Domain of Matriptase-2 Results in Decreased Content of Hemojuvelin Protein
2.2. Hemojuvelin-Deficient Mice Display Significantly Decreased Content of Full-Length Matriptase-2
2.3. Mask Mice Upregulate Hepcidin When Fed an Iron-Enriched Diet
2.4. Erythropoietin Activates Erythropoiesis in Iron-Pretreated Mask Mice
2.5. Mask Mice Display Signs of Stress Erythropoiesis When Fed an Iron-Deficient Diet
2.6. Mask Mice Downregulate Hepcidin When Fed an Iron-Deficient Diet
2.7. Feeding an Iron-Deficient Diet Decreases Full-Length HJV Protein in Mask Mice
3. Discussion
4. Materials and Methods
4.1. Animals and Treatment
4.2. Immunoblotting
4.3. Gene Expression Analyses
4.4. Flow Cytometry
4.5. Hematological Parameters and Iron Content
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Group | ProE % | Baso % | Poly % | Ortho + Reti % | RBC % |
---|---|---|---|---|---|
C57BL/6 | 0.16 ± 0.06 | 3.76 ± 1.96 | 9.21 ± 0.01 | 17.45 ± 6.93 | 69.42 ± 8.95 |
mask | 0.17 ± 0.02 | 2.84 ± 0.91 | 4.91 ± 1.25 | 19.58 ± 2.37 | 72.51 ± 4.56 |
mask ID | 0.37 ± 0.12 | 11.25 ± 1.68 | 15.98 ± 0.95 | 30.40 ± 0.30 | 42.01 ± 0.55 |
Group | Spleen Fe, Males (µg/g) | Spleen Fe, Females (µg/g) | Plasma Fe, Males (µmol/L) | Plasma Fe, Females (µmol/L) |
---|---|---|---|---|
C57BL/6 | 706 ± 192 | 1356 ± 54 | 22.3 ± 3.1 | 25.7 ± 3.5 |
C57BL/6 ID | 243 ± 66 * | 478 ± 495 | 26.3 ± 1.9 | 21.3 ± 3.5 |
mask | 643 ± 174 | 814 ± 300 | 5.2 ± 3.0 # | 8.7 ± 2.1 # |
mask ID | 514 ± 166 | 480 ± 214 | 4.0 ± 1.0 | 3.7 ± 0.6 * |
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Krijt, J.; Frýdlová, J.; Gurieva, I.; Přikryl, P.; Báječný, M.; Steinbicker, A.U.; Vokurka, M.; Truksa, J. Matriptase-2 and Hemojuvelin in Hepcidin Regulation: In Vivo Immunoblot Studies in Mask Mice. Int. J. Mol. Sci. 2021, 22, 2650. https://doi.org/10.3390/ijms22052650
Krijt J, Frýdlová J, Gurieva I, Přikryl P, Báječný M, Steinbicker AU, Vokurka M, Truksa J. Matriptase-2 and Hemojuvelin in Hepcidin Regulation: In Vivo Immunoblot Studies in Mask Mice. International Journal of Molecular Sciences. 2021; 22(5):2650. https://doi.org/10.3390/ijms22052650
Chicago/Turabian StyleKrijt, Jan, Jana Frýdlová, Iuliia Gurieva, Petr Přikryl, Martin Báječný, Andrea U. Steinbicker, Martin Vokurka, and Jaroslav Truksa. 2021. "Matriptase-2 and Hemojuvelin in Hepcidin Regulation: In Vivo Immunoblot Studies in Mask Mice" International Journal of Molecular Sciences 22, no. 5: 2650. https://doi.org/10.3390/ijms22052650